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A public vigil was held Wednesday for a 22-year-old Salvatore Belvedere who was fatally shot on Christmas Eve in a parking lot at a San Diego mall. Belvedere's family and friends also used the vigil as a way to raise awareness about his missing brother, Gianni, who was last seen on Dec. 23. NBC 7's Danya Bacchus reports. (Published Thursday, Jan. 2, 2014)

A public vigil was held Wednesday for a 22-year-old man fatally shot on Christmas Eve in a parking lot at a San Diego mall.

Approximately 100 loved ones gathered at Crystal Pier in Pacific Beach at sunset to pay tribute to Salvatore Belvedere, who was killed in the early hours of Dec. 24 after being shot outside Westfield Mission Valley Mall. The family said Crystal Pier was one of Salvatore's favorite surfing spots.

The vigil also served as a way for people to pray for the safe return of Gianni Belvedere, 24, Salvatore’s older brother who has been missing since the deadly shooting.

"If you've seen the car, seen him, think you've seen him, please report it to Crime Stoppers, San Diego PD, to the news media, anybody," Gianni's uncle Paul Donato pleaded. "We need any clues we can get our hands on to bring him home to put a little closure to this whole nightmare that we're living right now."

The family has increased the reward for help finding Gianni from $1,000 to $10,000.

The vigil comes one day after Salvatore’s funeral, which Donato confirmed was held Tuesday morning.

Officers located the wounded duo inside a vehicle in the 1600-block of Camino Del Rio North in a parking lot just outside a Macy’s department store.

Flint was pronounced dead at the scene shortly thereafter, while Salvatore was transported to a local trauma center where he remained in serious condition until his death.

Although one week has passed since the shooting, San Diego police have yet to name a suspect in the slayings of Flint and Salvatore. For now, police have only released a vague description of a possible shooting suspect described as a man wearing tan pants, between 5-foot-9 and 5-foot-11. A possible vehicle of interest in the case is a 2008 to 2011 dark gray Honda sedan.

The Belvedere family has said they’re not sure why Salvatore was with Gianni’s girlfriend at the mall at the time of the shooting. The family has said Gianni may have also been at the mall.

Last week, Flint’s friend Andre Briones told NBC 7 the Belvedere brothers would often take turns picking Flint up from work because she didn’t have a car. Briones said Flint had moved to San Diego several years ago after Gianni’s family moved to San Diego from Utah.

A neighbor in Tierrasanta told NBC 7 the Belvedere brothers lived together in a home on a quiet street and were always friendly. The neighbor said Flint also lived with the brothers.

Lt. Hastings said police have no reason to believe Gianni is back in Utah at this time.

On Dec. 28, a public vigil was held for Flint at La Jolla Shores. Loved ones shared stories about Flint and lit candles at the somber gathering. On Wednesday, a family friend confirmed that Flint's private funeral will be held in Utah, where she and the two brothers attended high school.

According to an obituary published in Utah’s “Deseret News” Thursday, private funeral services for Flint will be held Friday at 2 p.m. at the Oak Hills Stake Center in Provo, Utah. The obituary says Flint’s family has established a memorial fund for her. Donations to the Ilona Flint Memorial Fund can be made at any Wells Fargo bank branch.

Flint’s obituary says she was born in Naryan-Mar in Russia and came to the U.S. with her mother at the age of seven. Flint graduated in 2009 from the Walden High School of Liberal Arts in Provo. In 2012, she started taking college classes at Grossmont Community College in San Diego’s El Cajon area and became engaged to longtime boyfriend Gianni Belvedere.

The obituary goes on to say that Flint loved nature, music and playing the piano. She’s survived by many family members, including her mother, step-father and four younger siblings.